CN105993254A - Quick connecting mechanism for farmland sower and walking machine - Google Patents
Quick connecting mechanism for farmland sower and walking machine Download PDFInfo
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- CN105993254A CN105993254A CN201610495237.0A CN201610495237A CN105993254A CN 105993254 A CN105993254 A CN 105993254A CN 201610495237 A CN201610495237 A CN 201610495237A CN 105993254 A CN105993254 A CN 105993254A
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- walking machine
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B59/00—Devices specially adapted for connection between animals or tractors and agricultural machines or implements
- A01B59/04—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines pulled or pushed by a tractor
- A01B59/042—Devices specially adapted for connection between animals or tractors and agricultural machines or implements for machines pulled or pushed by a tractor having pulling means arranged on the rear part of the tractor
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- Soil Working Implements (AREA)
Abstract
The invention discloses a quick connecting mechanism for a farmland sower and a walking machine. The quick connecting mechanism is arranged between a bearing frame of the farmland sower and the walking machine and comprises a middle connecting base and a walking machine connecting base. The middle connecting base is arranged at the front end of a framework of the bearing frame in a parallel mode, the lower portions are connected in a hinged mode, and the upper portions are connected through a tension spring. The two sides of the upper framework of a walking machine connecting base framework fall into the middle connecting base framework in a clearance fit mode, and a positioning sleeve is arranged on a walking machine connecting base positioning hinge pin in a sleeving mode. A power input assembly bearing shaft sleeve is rotated to connect an input shaft and a farmland sower input shaft. The quick connecting mechanism is characterized in that buffering structures are arranged on the two sides of the middle connecting base framework respectively, and a primary positioning and limiting structure is arranged between the middle connecting base and the walking machine connecting base. By means of the quick connecting mechanism, connection and disconnection between the farmland sower and the walking machine can be quickly and conveniently achieved, and connection is reliable and durable.
Description
Technical field
The present invention relates to agricultural machinery technology field, particularly relate to a kind of farmland seeder and walking machine bindiny mechanism.
Background technology
Along with the development of agricultural, using farmland seeder to sow more, farmland seeder needs to be connected with walking machine, drives power with walking with by walking machine offer.Existing farmland seeder is typically connected with walking machine by bearing support, by shaft coupling, walking machine output shaft is connected with farmland seeder power shaft, this farmland seeder is with the major defect of walking machine bindiny mechanism: cannot quickly be connected and Quick release connects, affect production efficiency.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, propose one and can quickly connect and Quick release connection, significantly improve farmland seeder and the walking machine quick-connect machanism of production efficiency.
The present invention is achieved through the following technical solutions technical goal.
Farmland seeder and walking machine quick-connect machanism, be arranged between farmland seeder bearing support and walking machine, and it thes improvement is that: includes that middle connection seat, walking machine connect seat；Described farmland seeder bearing support is the frame-type component being vertically arranged, and is fixedly connected on seeder front end, farmland, including bearing support frame, branching bolster supporting plate；Described branching bolster supporting plate is vertically arranged, and is fixedly connected on bearing support frame middle and lower part；Connecting seat in the middle of described is the frame-type component being vertically arranged, and is set in parallel in the front end of bearing support frame, and including middle connection seat frame, centre connects seat support plate, walking machine connects seat alignment pin；Connecting seat frame overall dimensions in the middle of described and be less than bearing support frame overall dimensions, in terms of front end, the middle seat frame that connects is arranged in bearing support frame；Connecting seat support plate in the middle of described and be fixedly connected on the middle seat frame middle and lower part that connects, the middle seat support plate bottom that connects is hinged by the bearing pin of fore-and-aft direction with branching bolster supporting plate；Described walking machine connects seat alignment pin and is fixedly connected in the middle part of middle connection seat frame, imports end towards front end horizontal；Described bearing support frame two upper lateral part is connected top, seat frame both sides with centre and is connected by tension spring respectively；Described walking machine connects seat and includes that walking machine connects seat frame, positioning sleeve, power input module；Described walking machine connects seat frame and includes the top frame being vertically arranged, the bottom frame being folded to front end；Described positioning sleeve fore-and-aft direction horizontal, is fixedly connected on walking machine and connects the middle part of seat frame top frame left and right directions；Described power input module is arranged on walking machine and connects the middle part of seat frame bottom frame left and right directions；Described power input module includes power shaft, finger, supporting sleeve, compression spring, shifting block, jump ring I；Described supporting sleeve is hinged and connected to walking machine by the bearing pin of supporting sleeve both sides left and right directions horizontal and connects the middle part of seat frame bottom frame left and right directions；Described power shaft is bearing in supporting sleeve by bearing, two ends Extension support axle sleeve, finger extends radially through one end of power shaft Extension support axle sleeve, the other end outer wall of power shaft Extension support axle sleeve is provided with spline, shifting block is sleeved on the power shaft end being provided with spline, its endoporus and power shaft spline fitted；Described jump ring I, compression spring are separately positioned on shifting block both sides, and compression spring is sleeved on the power shaft between shifting block and supporting sleeve bearing face, and jump ring I is fastened on power shaft；Described power input module power shaft central axis can rotate in the vertical plane of fore-and-aft direction；Described walking machine connects frame both sides, seat frame top matched in clearance and falls in middle connection seat frame, positioning sleeve is linked in walking machine and connects in seat alignment pin, and matched in clearance, the front end of positioning sleeve is provided with the radial direction latch for positioning sleeve axial limiting or jump ring；Described power input module supporting sleeve rotates, and makes power shaft fore-and-aft direction horizontal, and the power shaft end being provided with spline is stretched in the seeder power shaft endoporus of farmland, and shifting block mutually embeds with seeder power shaft front end, farmland.
In said structure, it is connected seat frame at centre connection seat frame with the centre on top, the branching bolster supporting plate place of being hinged and is respectively provided on two sides with buffer structure；Described buffer structure includes the buffer stopper that flexible material is made；Described buffer stopper is fixedly connected on branching bolster supporting plate.
In said structure, the described middle top connected in seat frame is provided with the first alignment pin of left and right directions horizontal, and described walking machine connects seat frame top and is provided with the first location circular arc axle sleeve of left and right directions horizontal；When in the middle of described, connection seat, walking machine connection seat combine, just location circular arc axle sleeve is first linked in first alignment pin just location from bottom to top, the most described walking machine connects frame both sides, seat frame top matched in clearance and falls in middle connection seat frame, and positioning sleeve is linked in walking machine and connects in seat alignment pin；Described power input module power shaft is connected with farmland seeder power shaft by shifting block.
In said structure, described walking machine connects seat frame top frame and is respectively provided on two sides with the limit shaft sleeve of left and right directions horizontal；Connect the frame that is vertically arranged of seat frame in the middle of described and be provided with, opening corresponding with the limit shaft sleeve arc groove towards front end；When in the middle of described, connection seat, walking machine connection seat combine, just location circular arc axle sleeve is first linked in first alignment pin just location from bottom to top, the most described walking machine connects frame both sides, seat frame top matched in clearance and falls in middle connection seat frame, limit shaft sleeve falls on middle connection seat frame in arc groove, and positioning sleeve is linked in walking machine and connects in seat alignment pin；Described power input module power shaft is connected with farmland seeder power shaft by shifting block.
The present invention compared with prior art, has the positive effect that:
When 1, needing to be connected farmland seeder with walking machine, walking machine is connected seat move to the back-end, walking machine connects frame both sides, seat frame top matched in clearance and falls in middle connection seat frame, positioning sleeve is linked in walking machine and connects in seat alignment pin, loads onto radially latch or jump ring and positioning sleeve is carried out axial limiting；Power input module supporting sleeve rotates, and makes power shaft fore-and-aft direction horizontal, and the power shaft end being provided with spline is stretched in the seeder power shaft endoporus of farmland, and shifting block mutually embeds with seeder power shaft front end, farmland；When needing to disengage farmland seeder with walking machine, it is mechanically connected the radial direction latch that axially positions of seat alignment pin or jump ring is pulled down in walking by being used for positioning sleeve, walking machine connects seat forward end move, walking machine connect seat frame top frame therefrom between connect in seat frame and remove, positioning sleeve connects disengagement seat alignment pin from walking machine, shifting block disengages with seeder power shaft front end, farmland, and power shaft disengages from farmland seeder power shaft endoporus.Whole farmland seeder is connected with walking machine, disconnecting process quick, convenient, significantly improves production efficiency.
2, the middle seat support plate bottom that connects is hinged by the bearing pin of fore-and-aft direction with branching bolster supporting plate, bearing support frame two upper lateral part is connected top, seat frame both sides with centre and is connected by tension spring respectively, so, the middle seat that connects is hinged with seeder bearing support bottom, farmland, top elasticity connects, the middle seat that connects is in floating connection state, the shock and vibration that avoiding is rigidly connected causes, significantly improve farmland seeder traveling comfort and reliability, the notable service life extending farmland seeder.
3, being connected seat frame at centre connection seat frame with the centre on top, the branching bolster supporting plate place of being hinged and be respectively provided on two sides with buffer structure, so, the swing that centre connects seat both sides to the left and right carries out spacing；Buffer structure includes the buffer stopper that flexible material is made, and plays preferable cushioning effect.
4, the middle top connected in seat frame is provided with the first alignment pin of left and right directions horizontal, walking machine connects seat frame top and is provided with the first location circular arc axle sleeve of left and right directions horizontal, so, when needing to be connected farmland seeder with walking machine, first first it is linked in first alignment pin just location from bottom to top by just positioning circular arc axle sleeve, then during walking machine connection frame both sides, seat frame top matched in clearance falls into middle connection seat frame, positioning sleeve is linked in walking machine and connects in seat alignment pin, power input module power shaft is connected with farmland seeder power shaft by shifting block.On the one hand, using just location, play vertical direction positioning action, positioning sleeve just can directly be linked in walking machine connection seat alignment pin without being directed at walking machine connection seat alignment pin, improves farmland seeder and walking machine joint efficiency further；On the other hand, also improve walking machine and connect seat and the middle connection rigidity being connected seat, significantly improve the reliability that the present invention uses.
5, walking machine connection seat frame top frame is respectively provided on two sides with the limit shaft sleeve of left and right directions horizontal；Middle connect the frame that seat frame is vertically arranged and be provided with, opening corresponding with the limit shaft sleeve arc groove towards front end；When middle connection seat, walking machine connection seat combine, just location circular arc axle sleeve is first linked in first alignment pin just location from bottom to top, then during walking machine connection frame both sides, seat frame top matched in clearance falls into middle connection seat frame, limit shaft sleeve falls into and middle connects on seat frame in arc groove, so, improve walking machine further and connect seat and the middle connection rigidity being connected seat, improve the reliability that the present invention uses further.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is A-A profile in Fig. 1.
Fig. 5 is middle connecting base structure schematic diagram in the present invention.
Fig. 6 is the left view of Fig. 5.
Fig. 7 is B-B profile in Fig. 5.
Fig. 8 is walking machine connecting base structure schematic diagram in the present invention.
Fig. 9 is the left view of Fig. 8.
Figure 10 is C-C profile in Fig. 8.
Figure 11 is I enlarged schematic partial view in Fig. 4.
Figure 12 is II enlarged schematic partial view in Fig. 4.
Detailed description of the invention
Below according to accompanying drawing and the invention will be further described in conjunction with the embodiments.
Farmland shown in the drawings seeder and walking machine quick-connect machanism, be arranged between farmland seeder bearing support 1 and walking machine, connects seat 2, walking machine connection seat 3 including middle.
Farmland seeder bearing support 1 is the frame-type component being vertically arranged, and is fixedly connected on seeder front end, farmland, including bearing support frame 1.1, branching bolster supporting plate 1.2；Branching bolster supporting plate 1.2 is vertically arranged, and is fixedly connected on bearing support frame 1.1 middle and lower part.
The middle seat 2 that connects is the frame-type component being vertically arranged, and is set in parallel in the front end of bearing support frame 1.1, and including middle connection seat frame 2.1, centre connects seat support plate 2.2, walking machine connects seat alignment pin 2.3；Middle seat frame 2.1 overall dimensions that connects is less than bearing support frame 1.1 overall dimensions, and in terms of front end, the middle seat frame 2.1 that connects is arranged in bearing support frame 1.1；The middle seat support plate 2.2 that connects is fixedly connected on middle seat frame 2.1 middle and lower part that connects, and middle seat support plate 2.2 bottom that connects is hinged by the bearing pin of fore-and-aft direction with branching bolster supporting plate 1.2；Walking machine connects seat alignment pin 2.3 and is fixedly connected in the middle part of middle connection seat frame 2.1, imports end towards front end horizontal；1.1 liang of upper lateral parts of bearing support frame are connected top, seat frame 2.1 both sides with centre and are connected by tension spring 4 respectively.It is connected seat frame 2.1 at centre connection seat frame 2.1 with the centre on top, branching bolster supporting plate 1.2 place of being hinged and is respectively provided on two sides with buffer structure 5；Buffer structure 5 includes the buffer stopper 5.1 that flexible material is made；Branching bolster supporting plate 1.2 top is provided with the pillar that forward end overhangs, and buffer stopper 5.1 is fixedly connected on this pillar, and the frame side that buffer stopper 5.1 end face is vertically arranged with middle connection seat frame 2.1 is relative.
The middle top connected in seat frame 2.1 is provided with the first alignment pin 2.5 of left and right directions horizontal.
Walking machine connects seat 3 and includes that walking machine connects seat frame 3.1, positioning sleeve 3.2, power input module 3.3；Walking machine connects seat frame 3.1 and includes the top frame 3.1.1 being vertically arranged, the bottom frame 3.1.2 being folded to front end；Positioning sleeve 3.2 fore-and-aft direction horizontal, is fixedly connected on walking machine and connects the middle part of seat frame 3.1 top frame 3.1.1 left and right directions；Power input module 3.3 is arranged on walking machine and connects the middle part of seat frame 3.1 bottom frame 3.1.2 left and right directions；Walking machine connects seat frame 3.1 top and is provided with the first location circular arc axle sleeve 3.5 of left and right directions horizontal；Walking machine connects seat frame 3.1 top frame 3.1.1 and is respectively provided on two sides with the limit shaft sleeve 3.6 of left and right directions horizontal；Middle connect the frame that seat frame 2.1 is vertically arranged and be provided with, opening corresponding with limit shaft sleeve 3.6 arc groove 2.6 towards front end.
Power input module 3.3 includes power shaft 3.3.1, finger 3.3.2, supporting sleeve 3.3.3, compression spring 3.3.4, shifting block 3.3.5, jump ring I 3.3.6；Supporting sleeve 3.3.3 is hinged and connected to walking machine by the bearing pin 3.3.7 of supporting sleeve 3.3.3 both sides left and right directions horizontal and connects the middle part of seat frame 3.1 bottom frame 3.1.2 left and right directions；Power shaft 3.3.1 is bearing in supporting sleeve 3.3.3 by bearing, two ends Extension support axle sleeve 3.3.3, finger 3.3.2 extends radially through one end of power shaft 3.3.1 Extension support axle sleeve 3.3.3, the other end outer wall of power shaft 3.3.1 Extension support axle sleeve 3.3.3 is provided with spline, shifting block 3.3.5 is sleeved on the power shaft 3.3.1 end being provided with spline, its endoporus and power shaft 3.3.1 spline fitted；Jump ring I 3.3.6, compression spring 3.3.4 are separately positioned on shifting block 3.3.5 both sides, and compression spring 3.3.4 is sleeved on the power shaft 3.3.1 between shifting block 3.3.5 and supporting sleeve 3.3.3 bearing face, jump ring I 3.3.6 and is fastened on power shaft 3.3.1；Power input module 3.3 power shaft 3.3.1 central axis can rotate in the vertical plane of fore-and-aft direction.
Middle connection seat 2, when walking machine connection seat 3 combines, just location circular arc axle sleeve 3.5 is first linked in first alignment pin 2.5 just location from bottom to top, then during walking machine connection frame 3.1.1 both sides, seat frame 3.1 top matched in clearance falls into middle connection seat frame 2.1, limit shaft sleeve 3.6 falls into and middle connects on seat frame 2.1 in arc groove 2.6, positioning sleeve 3.2 is linked in walking machine and connects in seat alignment pin 2.3, walking machine in positioning sleeve 3.2 front end connects insertion in seat alignment pin 2.3 and is used for radial direction latch (other embodiments of positioning sleeve 3.2 axial limiting, may be used without jump ring axial limiting)；Rotational power input module 3.3 supporting sleeve 3.3.3, makes power shaft 3.3.1 fore-and-aft direction horizontal, and the power shaft 3.3.1 end being provided with spline is stretched in seeder power shaft 1.3 endoporus of farmland, and shifting block 3.3.5 mutually embeds with seeder power shaft 1.3 front end, farmland.
Claims (4)
1. farmland seeder and a walking machine quick-connect machanism, be arranged between farmland seeder bearing support (1) and walking machine, it is characterised in that: include that middle connection seat (2), walking machine connect seat (3)；
Described farmland seeder bearing support (1) is the frame-type component being vertically arranged, and is fixedly connected on seeder front end, farmland, including bearing support frame (1.1), branching bolster supporting plate (1.2)；Described branching bolster supporting plate (1.2) is vertically arranged, and is fixedly connected on bearing support frame (1.1) middle and lower part；
Connecting seat (2) in the middle of described is the frame-type component being vertically arranged, and is set in parallel in the front end of bearing support frame (1.1), and including middle connection seat frame (2.1), centre connects seat support plate (2.2), walking machine connects seat alignment pin (2.3)；Connecting seat frame (2.1) overall dimensions in the middle of described and be less than bearing support frame (1.1) overall dimensions, in terms of front end, the middle seat frame (2.1) that connects is arranged in bearing support frame (1.1)；Connecting seat support plate (2.2) in the middle of described and be fixedly connected on middle seat frame (2.1) middle and lower part that connects, middle seat support plate (2.2) bottom that connects is hinged by the bearing pin of fore-and-aft direction with branching bolster supporting plate (1.2)；Described walking machine connects seat alignment pin (2.3) and is fixedly connected on middle seat frame (2.1) middle part that connects, and importing end is towards front end horizontal；Described bearing support frame (1.1) two upper lateral part is connected seat frame (2.1) top, both sides with centre and is connected by tension spring (4) respectively；
Described walking machine connects seat (3) and includes that walking machine connects seat frame (3.1), positioning sleeve (3.2), power input module (3.3)；Described walking machine connects seat frame (3.1) and includes the top frame (3.1.1) being vertically arranged, the bottom frame (3.1.2) being folded to front end；Described positioning sleeve (3.2) fore-and-aft direction horizontal, is fixedly connected on walking machine and connects the middle part of seat frame (3.1) top frame (3.1.1) left and right directions；Described power input module (3.3) is arranged on walking machine and connects the middle part of seat frame (3.1) bottom frame (3.1.2) left and right directions；
Described power input module (3.3) includes power shaft (3.3.1), finger (3.3.2), supporting sleeve (3.3.3), compression spring (3.3.4), shifting block (3.3.5), jump ring I (3.3.6)；Described supporting sleeve (3.3.3) is hinged and connected to walking machine by the bearing pin (3.3.7) of supporting sleeve (3.3.3) both sides left and right directions horizontal and connects the middle part of seat frame (3.1) bottom frame (3.1.2) left and right directions；Described power shaft (3.3.1) is bearing in supporting sleeve (3.3.3) by bearing, two ends Extension support axle sleeve (3.3.3), finger (3.3.2) extends radially through one end of power shaft (3.3.1) Extension support axle sleeve (3.3.3), the other end outer wall of power shaft (3.3.1) Extension support axle sleeve (3.3.3) is provided with spline, shifting block (3.3.5) is sleeved on power shaft (3.3.1) end being provided with spline, its endoporus and power shaft (3.3.1) spline fitted；Described jump ring I (3.3.6), compression spring (3.3.4) are separately positioned on shifting block (3.3.5) both sides, compression spring (3.3.4) is sleeved on the power shaft (3.3.1) between shifting block (3.3.5) and supporting sleeve (3.3.3) bearing face, and jump ring I (3.3.6) is fastened on power shaft (3.3.1)；Described power input module (3.3) power shaft (3.3.1) central axis can rotate in the vertical plane of fore-and-aft direction；
Described walking machine connects frame (3.1.1) both sides, seat frame (3.1) top matched in clearance and falls in middle connection seat frame (2.1), positioning sleeve (3.2) is linked in walking machine and connects in seat alignment pin (2.3), and matched in clearance, the front end of positioning sleeve (3.2) is provided with the radial direction latch for positioning sleeve (3.2) axial limiting or jump ring；Described power input module (3.3) supporting sleeve (3.3.3) rotates, make power shaft (3.3.1) fore-and-aft direction horizontal, power shaft (3.3.1) end being provided with spline is stretched in seeder power shaft (1.3) endoporus of farmland, and shifting block (3.3.5) mutually embeds with seeder power shaft (1.3) front end, farmland.
Farmland the most according to claim 1 seeder and walking machine quick-connect machanism, it is characterised in that: it is connected seat frame (2.1) in centre connection seat frame (2.1) with the centre on branching bolster supporting plate (1.2) top, the place of being hinged and is respectively provided on two sides with buffer structure (5)；Described buffer structure (5) includes the buffer stopper (5.1) that flexible material is made；Described buffer stopper (5.1) is fixedly connected on branching bolster supporting plate (1.2).
Farmland the most according to claim 1 and 2 seeder and walking machine quick-connect machanism, it is characterized in that: connect the top in seat frame (2.1) in the middle of described and be provided with the first alignment pin (2.5) of left and right directions horizontal, described walking machine connects seat frame (3.1) top and is provided with first location circular arc axle sleeve (3.5) of left and right directions horizontal；When connection seat (2) in the middle of described, walking machine connection seat (3) combine, just location circular arc axle sleeve (3.5) is first linked in the upper just location of just alignment pin (2.5) from bottom to top, the most described walking machine connects frame (3.1.1) both sides, seat frame (3.1) top matched in clearance and falls in middle connection seat frame (2.1), and positioning sleeve (3.2) is linked in walking machine and connects in seat alignment pin (2.3)；Described power input module (3.3) power shaft (3.3.1) is connected with farmland seeder power shaft (1.3) by shifting block (3.3.5).
Farmland the most according to claim 3 seeder and walking machine quick-connect machanism, it is characterised in that: described walking machine connects seat frame (3.1) top frame (3.1.1) and is respectively provided on two sides with the limit shaft sleeve (3.6) of left and right directions horizontal；Connect seat frame (2.1) frame that is vertically arranged in the middle of described and be provided with, opening corresponding with limit shaft sleeve (3.6) arc groove (2.6) towards front end；When connection seat (2) in the middle of described, walking machine connection seat (3) combine, just location circular arc axle sleeve (3.5) is first linked in the upper just location of just alignment pin (2.5) from bottom to top, the most described walking machine connects frame (3.1.1) both sides, seat frame (3.1) top matched in clearance and falls in middle connection seat frame (2.1), limit shaft sleeve (3.6) falls into middle connection in the upper arc groove (2.6) of seat frame (2.1), and positioning sleeve (3.2) is linked in walking machine and connects in seat alignment pin (2.3)；Described power input module (3.3) power shaft (3.3.1) is connected with farmland seeder power shaft (1.3) by shifting block (3.3.5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610495237.0A CN105993254B (en) | 2016-06-30 | 2016-06-30 | Farmland seeder and walking machine quick-connect machanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610495237.0A CN105993254B (en) | 2016-06-30 | 2016-06-30 | Farmland seeder and walking machine quick-connect machanism |
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| Publication Number | Publication Date |
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| CN105993254A true CN105993254A (en) | 2016-10-12 |
| CN105993254B CN105993254B (en) | 2018-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610495237.0A Active CN105993254B (en) | 2016-06-30 | 2016-06-30 | Farmland seeder and walking machine quick-connect machanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111108833A (en) * | 2020-03-19 | 2020-05-08 | 澄迈农博农业发展有限公司 | A automatic high-efficient seeder for agricultural production |
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| CN88203469U (en) * | 1988-02-13 | 1988-12-21 | 山西省农科院棉花研究所 | Combined multi-function agricultural machine |
| CN2599907Y (en) * | 2003-02-26 | 2004-01-21 | 梁红刚 | Drag assembly for hand tractor |
| JP2009213436A (en) * | 2008-03-12 | 2009-09-24 | Kubota Corp | Tractor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111108833A (en) * | 2020-03-19 | 2020-05-08 | 澄迈农博农业发展有限公司 | A automatic high-efficient seeder for agricultural production |
| CN111108833B (en) * | 2020-03-19 | 2022-04-19 | 湖南飞鹰农耘科技有限公司 | A automatic high-efficient seeder for agricultural production |
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| Publication number | Publication date |
|---|---|
| CN105993254B (en) | 2018-07-13 |
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